20020021112012 has 24 divisors (see below), whose sum is σ = 36338186594640. Its totient is φ = 9643039329600.

The previous prime is 20020021111999. The next prime is 20020021112033. The reversal of 20020021112012 is 21021112002002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669640562 + ... + 669670457.

It is an arithmetic number, because the mean of its divisors is an integer number (1514091108110).

Almost surely, 2^{20020021112012} is an apocalyptic number.

It is an amenable number.

20020021112012 is a deficient number, since it is larger than the sum of its proper divisors (16318165482628).

20020021112012 is a wasteful number, since it uses less digits than its factorization.

20020021112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339311161 (or 1339311159 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020021112012 its reverse (21021112002002), we get a palindrome (41041133114014).

The spelling of 20020021112012 in words is "twenty trillion, twenty billion, twenty-one million, one hundred twelve thousand, twelve".